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H.266 VVC vs AV1, Which is Better?

Now that Versatile Video Coding (VVC) has entered the market, we're gearing up for the next fight. This fight isn't going to be between VVC and HEVC, but rather between VVC and another advanced UHD codec, AV1. Released to deal with the rise in 4K and higher-resolution displays and content, both VVC and AV1 provide better compression efficiency than HEVC. But which is better, AV1 or VVC?


On July 7, 2020, Fraunhofer HHI just unveiled the adoption of H.266 codec, also known as Versatile Video Coding (VVC). The company, together with several leading industry partners like Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm, and Sony, spent 3 years to develop the VVC standard. The format is designed for ultra-high-resolution video content, including 4K, 8K, HDR, and 360-degree video material.


Released in 2018, AOMedia Video 1 (AV1) is a new video coding format for transmitting high-quality video efficiently over the internet. It was developed by Alliance for Open Media (AOMedia), a consortium of 48 tech companies including Apple, Facebook, Google, Microsoft, Mozilla, and Netflix.

VVC vs AV1 Coding Efficiency

VVC H.266 is claimed to reduce data requirements by 50% compared to the H.265/HEVC standard at the same image quality. To be specific, the results from BBC R&D found that VVC offered up to 27% bandwidth efficiency over HEVC at HD quality and 35% better at UHD quality. For example, a 90-minutes 4K video encoded HEVC may take 10GB, but it now needs only 5GB in H.266 codec.

AV1, on the other hand, is reported to offer 30% better compression than H.265/HEVC standard at the same image quality. According to BBC R&D, AV1 performed only 7% better than HEVC at HD resolution, while VVC was 33% more efficient. At UHD resolution, AV1 was only 2% better than HEVC, while VVC was 27% better. Apparently, H.266 VVC has higher compression efficiency than AV1.

H.266 VVS vs AV1 comparison
H.266 VVC vs AV1 efficiency

VVC vs AV1 Speed

Superior compression efficiency also comes at the price of dramatically increased computational complexity. According to tests performed by BBC R&D, encoding H.266 VVC takes 6.5x longer and its decoding is 1.5x slower.

AV1 is complicated too and it was tested to be 4-10x more complex to encode than HEVC. But it has made improvements to speed up the processing times. BBC R&D indicated that AV1 takes about 4x longer time to encode than HEVC, while it's 8% faster to decode than HEVC (See detailed AV1 vs HEVC review). Considering that the encoding and decoding of HEVC are not very fast, the speed of AV1 is undoubtedly an advantage over H.266 VVC.

VVC vs AV1 Royalty

It is known that the slow adoption of VVC's predecessor HEVC is partly caused by its licensing complexity, which is charged by three licensing pools and multiple licensing entities. H.266 VVC is a royalty-bearing codec but its licensing model remains unclear. Some are worried that VVC will have royalties and patent pool opacity as HEVC. To avoid this, Fraunhofer states that "A uniform and transparent licensing model based on the FRAND principle (i.e., fair, reasonable, and non-discriminatory) is planned to be established for the use of standard-essential patents related to H.266/VVC." The Media Coding Industry Forum (MC-IF) is established for this purpose. 

On the contrary, AV1 is royalty-free. It means that users can enjoy 30% better compression than HEVC (VVC is 50% better) without paying the royalty expenses. The cost savings gives AV1 an edge over VVC.

H.266 VVC vs AV1 differences
H.266 VVC vs AV1 - Which is better?

VVC vs AV1 Adoption

In addition to the big advantage of free royalty, AV1 is also better than VVC for its wider adoption by far. Netflix used AV1 to stream titles on Android, and YouTube also adopts AV1 video codec in some devices. AV1 hardware decoders are also found in new processors like Amlogic S905X4 Mediatek Dimensity 1000+. With Apple, Amazon, Netflix, NVIDIA, ARM, Facebook, Microsoft, and Google being AOMedia members, we continue to see the adoption for AV1 on Vimeo, Facebook, other streaming platforms, and hardware.

H.266 VVC will be used on various applications such as gaming and adaptive streaming. As H.266 VCC will be licensed by (MC-IF), a group made up of 30 companies, we may expect a smoother adoption of VVC. However, both the software and hardware with support to VVC is under development.


author-Kaley Torres

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Kaley Torres is a self-motivated, creative editor with eight years of marketing and SEO experience, specializing in writing on DVD, video, audio, images, new digital contents etc. With a partiality DVD collection, Kaley also enjoys digitizing DVD and is keen to share her DVD video conversion tips on social media.

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